Remains of a 14th century castle. The religious reformer Jam Hus spent two years here between 1412 a 1414. referred to as abandoned at the end of the 15th century, probably as a result of a 1438 fire. Parts of the castle were only unearthed at the beginning of the 20th century a reinforced in 1975-77. The area, encircled by wooden palisades, features exposed remnants of the castle’s foundation walls.